Can we put it as a work item for diagnostic snapshot improvements, so we won't forget about this in 6.1?
On Tuesday, November 25, 2014, Dmitry Pyzhov <dpyz...@mirantis.com> wrote: > Thank you all for your feedback. Request postponed to the next release. We > will compare available solutions. > > On Mon, Nov 24, 2014 at 2:36 PM, Vladimir Kuklin <vkuk...@mirantis.com > <javascript:_e(%7B%7D,'cvml','vkuk...@mirantis.com');>> wrote: > >> guys, there is already pxz utility in ubuntu repos. let's test it >> >> On Mon, Nov 24, 2014 at 2:32 PM, Bartłomiej Piotrowski < >> bpiotrow...@mirantis.com >> <javascript:_e(%7B%7D,'cvml','bpiotrow...@mirantis.com');>> wrote: >> >>> On 24 Nov 2014, at 12:25, Matthew Mosesohn <mmoses...@mirantis.com >>> <javascript:_e(%7B%7D,'cvml','mmoses...@mirantis.com');>> wrote: >>> > I did this exercise over many iterations during Docker container >>> > packing and found that as long as the data is under 1gb, it's going to >>> > compress really well with xz. Over 1gb and lrzip looks more attractive >>> > (but only on high memory systems). In reality, we're looking at log >>> > footprints from OpenStack environments on the order of 500mb to 2gb. >>> > >>> > xz is very slow on single-core systems with 1.5gb of memory, but it's >>> > quite a bit faster if you run it on a more powerful system. I've found >>> > level 4 compression to be the best compromise that works well enough >>> > that it's still far better than gzip. If increasing compression time >>> > by 3-5x is too much for you guys, why not just go to bzip? You'll >>> > still improve compression but be able to cut back on time. >>> > >>> > Best Regards, >>> > Matthew Mosesohn >>> >>> Alpha release of xz supports multithreading via -T (or —threads) >>> parameter. >>> We could also use pbzip2 instead of regular bzip to cut some time on >>> multi-core >>> systems. >>> >>> Regards, >>> Bartłomiej Piotrowski >>> _______________________________________________ >>> OpenStack-dev mailing list >>> OpenStack-dev@lists.openstack.org >>> <javascript:_e(%7B%7D,'cvml','OpenStack-dev@lists.openstack.org');> >>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >>> >> >> >> >> -- >> Yours Faithfully, >> Vladimir Kuklin, >> Fuel Library Tech Lead, >> Mirantis, Inc. >> +7 (495) 640-49-04 >> +7 (926) 702-39-68 >> Skype kuklinvv >> 45bk3, Vorontsovskaya Str. >> Moscow, Russia, >> www.mirantis.com <http://www.mirantis.ru/> >> www.mirantis.ru >> vkuk...@mirantis.com >> <javascript:_e(%7B%7D,'cvml','vkuk...@mirantis.com');> >> >> _______________________________________________ >> OpenStack-dev mailing list >> OpenStack-dev@lists.openstack.org >> <javascript:_e(%7B%7D,'cvml','OpenStack-dev@lists.openstack.org');> >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >> >> > -- Mike Scherbakov #mihgen
_______________________________________________ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev